855469317 has 8 divisors (see below), whose sum is σ = 1140889024. Its totient is φ = 570181248.

The previous prime is 855469301. The next prime is 855469339. The reversal of 855469317 is 713964558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855469317 - 2⁴ = 855469301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855461317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16588 + ... + 44565.

It is an arithmetic number, because the mean of its divisors is an integer number (142611128).

Almost surely, 2^855469317 is an apocalyptic number.

It is an amenable number.

855469317 is a deficient number, since it is larger than the sum of its proper divisors (285419707).

855469317 is a wasteful number, since it uses less digits than its factorization.

855469317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65819.

The product of its digits is 907200, while the sum is 48.

The square root of 855469317 is about 29248.4070848311. The cubic root of 855469317 is about 949.2956245011.

The spelling of 855469317 in words is "eight hundred fifty-five million, four hundred sixty-nine thousand, three hundred seventeen".